Inextinguishable
Pronunciation : In`ex*tin"guish*a*ble
Part of Speech : a.
Definition : Defn: Not capable of being extinguished; extinguishable; unquenchable; as, inextinguishable flame, light, thirst, desire, feuds. "Inextinguishable rage." Milton.
Source : Webster's Unabridged Dictionary, 1913